There are
1,971 mi
from Champaign, IL to Rancho Cucamonga, CA
That's the driving distance. It would take 1 day 10 hours to go from Champaign, Illinois to Rancho Cucamonga, California.
The flight distance (direct flight from Champaign, IL to Rancho Cucamonga, CA) is 1,661.31 mi.
1,971 mi = 1.61 kms